Companies Using LinkedIn Ads in Southampton: 81 Active Firms (2026)
B2B social ad users run paid professional-network campaigns and site tracking, in Southampton and its surrounding metropolitan area.
Adoption usually sits with revenue operations, marketing and talent-acquisition teams rather than IT. The tag set does two jobs: it reports campaign response back to the ad platform, and it turns website behaviour into retargeting or lead-scoring signals. Among Southampton adopters, the buying centres tend to be lead generation, account-based prospecting, recruitment and high-consideration digital acquisition. Running this stack usually signals a company with defined buyer personas, gated content or event-led campaigns, and a budget holder willing to pay for targeted reach. The commercial motion is more often quote-led or sales-led than low-ticket ecommerce, with agencies and internal marketers sharing execution.
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Southampton’s adoption base is modest but visible: 81 actively trading companies run professional-network advertising and tracking tags in the metropolitan area. Reported employment across the cohort totals 1,250 people, which points to a market made up largely of small commercial teams with a few larger employers around them. Sector mix leans towards advanced manufacturing, construction, software, IT services and managed services, and real estate and property, so the tool is not confined to marketing agencies or pure digital firms. The pattern fits a city-region where business services, property, technical suppliers and industrial operators use paid social to reach defined professional audiences.
Business-to-business online advertising in the UK sits between self-regulation and privacy law. Non-broadcast rules cover online advertising, sales promotions and direct marketing, and are enforced through the advertising standards system rather than a single sector regulator. For companies running tracking tags, the more practical constraint is consent and lawful use of site-level identifiers: the ICO points marketers towards PECR and data-protection law for cookies and technologies that store or access information on a visitor’s device. Recent legislation has put parts of that guidance under review, so campaign set-up, consent wording and audience matching remain operational issues rather than legal formalities.
Adoption appears tied less to experimental social media spend and more to pipeline discipline. Companies that keep the tag in place tend to have a clearer view of target accounts, content journeys and retargeting audiences, while smaller firms may switch it off when campaign ownership moves back to agencies or organic channels. Privacy pressure is likely to keep pushing execution towards cleaner consent flows, shorter audience lists and firmer attribution governance. The market also looks exposed to bundling, as advertising, analytics and customer-data tooling are more often sold together, leaving smaller adopters to decide whether specialist network advertising is worth the extra operational overhead.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
Adoption by company size
Adoption of LinkedIn Ads rises with company size across the trading companies in this cohort. 0.2% of the 22,390 companies with under 10 employees run LinkedIn Ads (40 detected). 1.7% of the 1,070 companies with 10–50 employees run LinkedIn Ads (18 detected). 2.2% of the 90 companies with over 50 employees run LinkedIn Ads (2 detected). That is a 2% gap between the over 50 employees and under 10 employees bands.
81
Active firms
2026
3
Above £5M turnover
Trading firms
5
Median headcount
Filed accounts
190
Verified directors
Across this cohort
Top companies using LinkedIn Ads in Southampton
Ranked by sales-readiness score: an AI model assesses what each company does, its sector and size, and scores its overall fit. Best-fit prospects appear first.
Provides recruitment and staffing services for the built environment, supplying temporary, contract, and permanent workers for construction trades, mechanical and electrical installation, facilities…
Serves UK employers in the built environment, including construction, FM, building services, M&E installation, trades, white-collar construction, and construction supplies/manufacturing sectors.
Financial Health
N/AN/A
Location
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Provides recruitment and staffing services for the built environment and technical sectors. Places contract, temporary and permanent staff in construction trades, mechanical and electrical…
Serves UK employers and jobseekers in the built environment, including construction trades and labour, white-collar construction, facilities management, building services maintenance, M&E…
Financial Health
N/AN/A
Location
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Provides recruitment and staffing services for the built environment sector. Sources temporary, contract, and permanent candidates for roles in construction trades and labour, building services…
Serves UK employers in the built environment, including construction, FM, building services, maintenance, mechanical and electrical installation, and product manufacturing, hiring contract, temporary…
Financial Health
N/AN/A
Location
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Computed from 3 filingsProvides recruitment and staffing services for the built environment and technical sectors, placing temporary, contract, and permanent workers in construction trades, mechanical and electrical…
Serves UK employers and candidates in the built environment, including construction, trades and labour, white-collar construction, facilities management, building services, M&E installation, and…
Financial Health
StrongStrong
Location
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Computed from 5 filingsProvides business telecommunications and IT services including VoIP phone systems, business mobiles, broadband and Wi‑Fi, call recording and management software, computer telephony integration, and…
Serves UK businesses, particularly SMEs and multi-site operators in dental, hospitality, medical, veterinary, care homes, opticians, hotels, estate agencies and nurseries.
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
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Computed from 5 filingsDevelops data platforms for the advertising technology sector, providing tools to discover websites, mobile apps and CTV publishers. Services include crawled ad‑tag and traffic data, publisher…
Serves B2B customers in ad tech, including SSPs, ad networks, DSPs, agencies and publisher monetisation teams seeking publisher, app and ads.txt intelligence.
Financial Health
StrongStrong · Growing, Hiring · 38% CAGR over 5y
Location
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Computed from 5 filingsProvides brand strategy, consumer research and design services for businesses. Works with companies to develop brand positioning, product and visual design, and planning for launches, repositioning…
Serves B2B clients: business owners and senior leaders at wellness, consumer goods, food, home appliance and lifestyle brands, including established manufacturers and growth-focused brand teams.
Financial Health
HealthyHealthy
Location
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Computed from 5 filingsProvides enterprise IT services including managed IT operations, cloud migration and optimisation, AI consulting and implementation, AIOps, cybersecurity, data centre consolidation, application and…
Serves large enterprises, SMBs and government agencies with secure IT environments, especially in finance, banking, telecoms, insurance, travel and healthcare, across the UK, EU, Middle East and…
Financial Health
StrongStrong
Location
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Computed from 5 filingsDesigns, develops and manufactures engineered rubber components including technical seals, gaskets and specialist mouldings. Provides rubber-to-metal and rubber-to-plastic bonding, compound and…
Serves B2B manufacturers and engineering teams in aerospace, defence, energy, motorsport, oil and gas, prestige automotive and processing industries needing specialist rubber components.
Financial Health
WeakWeak · -67% CAGR over 4y
Location
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Computed from 5 filingsProvides advertising technology platform for digital publishers, integrating ad server, header bidding (Prebid), auction management and analytics. Offers tools for inventory control, revenue…
Serves B2B digital publishers, media brands and enterprise publishing teams worldwide, including Adsense users, direct-sales publishers, restricted-content sites and organisations with complex…
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
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Provides recruitment and staffing services for the built environment and technical sectors, placing contract, temporary, and permanent staff in construction trades, construction management,…
Serves UK employers and jobseekers in the built environment, including construction, facilities management, building services, maintenance, mechanical and electrical installation, and construction…
Financial Health
N/AN/A
Location
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Computed from 5 filingsProvides brand extension and trademark licensing services, representing brand owners in partnerships with manufacturers and retailers to develop licensed consumer products and experiences. Also…
Serves global brand owners, consumer product manufacturers and retailers, including gaming, entertainment, food, lifestyle and corporate brands seeking licensing partnerships and brand extension…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
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Computed from 5 filingsProvides aviation software platform delivering real-time turbulence monitoring and forecasts using crowdsourced pilot reports, sensor data and AI modelling. Sends alerts and ride‑quality maps to…
Serves airlines and corporate aviation operators, targeting flight operations leaders, pilots, dispatchers, cabin crew, management and safety teams responsible for ride quality and turbulence risk.
Financial Health
StableStable · -7% CAGR over 4y
Location
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Designs, develops and manufactures engineered rubber components including moulded seals, gaskets and specialist mouldings. Provides rubber‑to‑metal and rubber‑to‑plastic bonding, compound and…
Serves B2B customers in aerospace, defence, engineering, manufacturing, motorsport, processing, nuclear and renewables, oil and gas, and prestige automotive sectors, including companies needing…
Financial Health
N/AN/A
Location
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Provides engineering consulting, testing, inspection and certification services. Supports projects in energy, marine, infrastructure, transport, manufacturing and other industries, including research…
Serves businesses and public-sector organisations in aerospace and defence, construction, energy, finance, food, heavy industry, infrastructure, manufacturing and maritime sectors.
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Computed from 5 filingsProvides construction services including new build, interior fit‑out and refurbishment projects. Manages planning and delivery of commercial spaces for sectors such as education, offices, industrial…
Serves organisations and commercial clients in education, offices, industrial, healthcare, leisure and retail, and automotive sectors requiring construction, fit-out or refurbishment projects.
Financial Health
StrongStrong · Growing, Hiring · 44% CAGR over 4y
Location
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Computed from 5 filingsDevelops data analytics and optimisation software for commercial vehicle fleets, including tools for EV transition planning, route and tyre analysis, aerodynamics assessment, and vehicle trials,…
Sells to B2B customers in the commercial transport sector, including fleet operators, vehicle leasing firms, OEMs, tyre manufacturers, charging infrastructure providers, telematics companies and…
Financial Health
StrongStrong · Hiring · 63% CAGR over 4y
Location
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Computed from 3 filingsProvides accounting, audit and assurance, and tax advisory services to businesses and individuals. Offers payroll, VAT returns, self‑assessment, corporate finance, company secretarial support,…
Serves businesses, charities, academies and individuals in Southampton and Hampshire, with sector focus on architects, healthcare, legal, logistics, property, recruitment, travel and FCA-regulated…
Financial Health
WeakWeak · -3% CAGR over 2y
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Computed from 5 filingsProvides process safety consulting and laboratory testing services for chemical and industrial processes. Conducts combustible dust, gas and chemical reaction hazard testing, and delivers risk…
Serves B2B industrial manufacturers and site operators handling combustible dusts, gases, vapours and hazardous chemicals, including chemicals, pharmaceuticals, food and drink, aerospace,…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
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Computed from 3 filingsProvides B2B growth consulting services, including market opportunity analysis, commercial gap analysis, go‑to‑market strategy, account‑based marketing, and sales enablement. Also offers an AI…
Serves mid-market B2B companies, including PE-backed businesses, targeting CEOs, go-to-market leaders, marketing and sales teams, and private equity value creation teams seeking growth support.
Financial Health
HealthyHealthy · Hiring · 12% CAGR over 2y
Location
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Computed from 2 filingsProvides business telecommunications and IT services, including mobile phone contracts, hosted VoIP and unified communications, cloud contact centre platforms, broadband and ethernet connectivity,…
Serves SMEs, enterprise organisations and public sector bodies, targeting IT, operations and customer experience teams managing mobile workforces, connectivity needs and contact centres.
Financial Health
StableStable · -4% CAGR over 1y
Location
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Computed from 5 filingsProvides content marketing services for financial services firms, producing videos, animations, infographics and interactive media. Works with banks, asset managers and investment companies to…
Sells to financial services businesses, particularly private banks, asset managers and investment companies. Serves C-suite, marketing teams and financial professionals seeking content and…
Financial Health
StableStable · Hiring · 31% CAGR over 4y
Location
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Computed from 5 filingsProvides integrated marketing and digital services including marketing strategy, campaign management, SEO, social media and email marketing, digital advertising, and analytics. Also designs and…
Serves B2B and B2C brands across diverse industries, including companies seeking coordinated marketing, digital presence and brand support from a single agency partner.
Financial Health
StableStable · 2% CAGR over 4y
Location
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Computed from 5 filingsDevelops database migration software that enables applications built for Oracle to run on alternative cloud databases without code changes. The platform migrates schemas and data, maintains…
Serves enterprises reliant on Oracle databases, targeting CIOs, CTOs, DBAs and solution architects, as well as system integrators delivering database migration projects for their own customers.
Financial Health
StableStable · Hiring · 19% CAGR over 4y
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Provides business telecommunications and IT services including mobile phone contracts, broadband and fibre connectivity, hosted VoIP and unified communications, cloud contact centre platforms, cloud…
Sells to SMEs, enterprise organisations and public sector bodies, primarily IT, telecoms and operations decision-makers responsible for workforce mobility, connectivity, cloud communications, contact…
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Provides business telecommunications and IT services, including mobile phone contracts, broadband and connectivity, hosted VoIP and unified communications, cloud contact centre platforms, and managed…
Serves SMEs, enterprise businesses and public sector organisations, targeting IT, operations and communications buyers responsible for mobile, connectivity, cloud communications, contact centres and…
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Computed from 5 filingsProvides managed IT support, cloud services, cybersecurity, and IT infrastructure solutions for businesses. Offers Microsoft system deployment and support, IT strategy consultancy, business…
Serves businesses in the South of England, from growing SMEs to larger firms, particularly teams needing managed IT, Microsoft systems, ERP/CRM and operational software support.
Financial Health
StableStable · Hiring · 5% CAGR over 4y
Location
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Computed from 3 filingsDevelops software components for digital printing systems, including digital front ends, RIP engines, screening technology, colour management tools and SDKs used by print OEMs and software vendors to…
Serves B2B print OEMs, independent software vendors and system integrators building digital press and print applications for commercial printing, labels and packaging, and industrial inkjet markets.
Financial Health
StableStable · 0% CAGR over 2y
Location
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Computed from 4 filingsProvides corporate event management services including planning and delivery of meetings, conferences, incentive travel and hospitality events. Offers venue sourcing, AV production, entertainment,…
Sells to businesses buying corporate event services, including marketing, HR and leadership teams seeking event management, incentive travel, hospitality, exhibitions and hybrid or virtual events,…
Financial Health
DistressedDistressed · -75% CAGR over 3y
Location
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Computed from 4 filingsProvides managed IT services for businesses and charities, including IT support, cyber security management, Microsoft cloud services, network connectivity, backup and disaster recovery, and…
Serves businesses and charities across Hampshire, Surrey and nearby areas, including organisations seeking fully managed or co-managed IT support.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 3y
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Computed from 5 filingsDevelops software platforms for managing pre‑employment background checks and identity pass applications. Provides systems such as VettingGateway and AirportGateway to automate vetting workflows and…
Serves B2B organisations that vet applicants and manage ID pass applications, including airport operators, aviation employers, ID centres and HR/security teams across industries conducting in-house…
Financial Health
HealthyHealthy · -64% CAGR over 4y
Location
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Computed from 5 filingsProvides B2B social media marketing services for professional services firms and other businesses, including social media strategy, content creation, account management, audience growth, and lead…
Sells to B2B organisations, especially small businesses, recruitment teams, professional services firms and other B2B companies, including consulting firms, business coaches, law firms, technology…
Financial Health
DistressedDistressed · -5% CAGR over 4y
Location
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Computed from 5 filingsProvides advice and brokerage for health and life insurance policies, including private medical insurance, income protection, critical illness cover, relevant life cover, and group insurance schemes…
Serves legal professionals, armed forces personnel, veterans and their families, plus UK businesses of all sizes seeking employee and key-stakeholder insurance cover.
Financial Health
DistressedDistressed · -7% CAGR over 4y
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Computed from 5 filingsProvides product sourcing, design and manufacturing services for consumer goods and promotional merchandise, helping brands develop and procure ethically produced items and campaign merchandise…
Serves businesses, brands, and corporate marketing, events and procurement teams seeking ethical and sustainable consumer goods or campaign merchandise, including financial services, retail and…
Financial Health
DistressedDistressed · -68% CAGR over 4y
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Computed from 4 filingsProvides managed IT services and technology systems for the hospitality sector, including service desk monitoring, network infrastructure, internet connectivity, cybersecurity, Azure cloud services,…
Serves hotels and lodging businesses, primarily hospitality operators needing IT, telephony, access control and security support across the UK and beyond.
Financial Health
StrongStrong · Hiring · 11% CAGR over 3y
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Computed from 5 filingsProvides recruitment and executive search services for the real estate and built environment sectors, connecting employers with professionals across investment, development, property services,…
Serves real estate and built-environment employers globally, including developers, investors, institutions, funds, banks, consultancies and contractors, as well as real estate professionals seeking…
Financial Health
StableStable · 0% CAGR over 4y
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Computed from 4 filingsProvides recruitment advertising services, helping employers plan and manage job advertising campaigns. Offers media planning, campaign management, social media recruitment marketing, and design…
Serves UK employers recruiting staff, including education providers, charities and businesses across industries, targeting hiring managers and HR teams.
Financial Health
WeakWeak · 2% CAGR over 3y
Location
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Computed from 3 filingsDesigns and supplies corporate clothing, branded uniforms and promotional merchandise for businesses. Offers bespoke and off‑the‑shelf garments, screen‑printed apparel and PPE, plus sourcing,…
Serves B2B brand, marketing, HR, operations and procurement teams at UK and EMEA household brands, including hospitality, retail, field, factory, driver and exhibition teams.
Financial Health
StrongStrong · Hiring · 22% CAGR over 2y
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Computed from 5 filingsProvides environmental consultancy, monitoring and contracting services for conservation and habitat management projects, including aquatic ecology surveys, water quality monitoring, river and…
Serves B2B and public-sector clients in water, construction, planning, infrastructure, energy and renewables, plus landowners, including Tier 1 contractors and developers on complex schemes.
Financial Health
WeakWeak · -65% CAGR over 5y
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Provides engineering, procurement and construction services, including project management, process, mechanical, electrical and civil design, automation and control systems, offsite manufacturing, and…
Sells to B2B and public sector clients delivering major engineering and infrastructure projects, particularly in energy, process and water, nuclear and defence, in the UK and overseas.
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Computed from 2 filingsProvides asset finance and business lending, including hire purchase, finance leasing, asset equity release and loan schemes. Funds equipment and capital investments for sectors such as agriculture,…
Serves UK businesses seeking asset finance, including firms in agriculture, construction, engineering, manufacturing, transport, recycling, print, packaging, materials handling, and bus and coach,…
Financial Health
StableStable · 0% CAGR over 2y
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Computed from 5 filingsDevelops and operates a cloud-based platform for managing live IP video workflows for broadcasters. Provides tools for provisioning, routing, transcoding, packaging and monitoring video streams, plus…
Serves broadcasters, content owners and media operations teams that need IP/cloud live video contribution, distribution and workflow control, including organisations with in-house operators and those…
Financial Health
WeakWeak · -2% CAGR over 4y
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Computed from 3 filingsDevelops a generative AI agent orchestration platform and pre-built agents for enterprise use. Provides tools to build, deploy and manage AI agents for tasks such as bid writing, HR policy support,…
Serves B2B and public sector organisations deploying GenAI in high-trust, regulated environments, especially policing, defence, government and other regulated industries. Targets teams needing…
Financial Health
StrongStrong · Hiring · 123% CAGR over 2y
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Computed from 5 filingsProvides market research and consumer insight services for FMCG, retail and hospitality brands. Designs and conducts quantitative and qualitative research, including brand tracking, customer studies…
Serves B2B clients in consumer-facing sectors, especially FMCG, retail and hospitality brands, retailers and manufacturers, working with marketing, insight, data and strategy teams in the UK and…
Financial Health
WeakWeak · -75% CAGR over 4y
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Provides air traffic control and airspace management services for commercial aviation, and develops technology and analytics solutions for airports, airlines and air navigation service providers,…
Serves UK and international airports, airlines, air navigation service providers, governments and other aviation stakeholders, including drone and advanced air mobility operators.
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Provides engineering, procurement and construction services, including process, mechanical, electrical, instrumentation and civil design. Delivers automation and control systems, offsite…
Serves UK and overseas B2B and public-sector infrastructure clients, including water utilities, energy operators, nuclear organisations, defence bodies and industrial project owners managing capital…
Financial Health
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Computed from 5 filingsProvides satellite communication and telemetry equipment, including satellite phones, modems, beacons, and tracking devices. Supplies airtime services and IoT connectivity, along with systems for…
Serves organisations in marine, environmental research, defence and security sectors, including vessel operators, wildlife and polar researchers, oil spill/weather monitoring teams, naval forces and…
Financial Health
WeakWeak · -69% CAGR over 4y
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Computed from 5 filingsProvides digital marketing and technology services for brands and retailers, including paid search, paid social, SEO, influencer marketing, marketing automation, and data and technology solutions,…
Sells to brands and retailers needing digital marketing and technology support, particularly multi-market consumer, retail, beauty, fashion, sports and electronics businesses across Europe.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 6y
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Computed from 5 filingsProvides consulting and implementation services for law firms and corporate legal teams, focusing on legal technology such as practice management systems, document management, workflow automation, BI…
Serves B2B legal-sector clients, primarily law firms and corporate legal teams seeking support with practice operations, document processes, compliance, reporting and legal technology adoption across…
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 4y
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Computed from 3 filingsDesigns and supplies uninterruptible power supply (UPS) systems, surge protection equipment, central battery systems, and energy storage batteries. Provides system design, installation,…
Sells to distributors, electrical contractors, facilities teams and organisations operating critical systems in data centres, healthcare, banking/retail EPOS, telecoms, security, industrial…
Financial Health
HealthyHealthy · Growing · 5% CAGR over 2y
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Key facts
About 3% of the trading cohort reports turnover above £5M (3 of 81 firms) — the rest sits below that revenue band.
3% of the cohort was incorporated since 2022 (3 firms), so a sizeable share is in its first few filing cycles.
69.1% of the Southampton cohort also run web-analytics tags and 61.7% run a tag-management layer, pointing to campaign measurement setups rather than isolated ad pixels.
Advanced Manufacturing accounts for 19.8% of detected users and Construction for 17.3%, with sector tags overlapping across the cohort.
The CAP Code covers online ads, sales promotions and direct marketing, and the Advertising Standards Authority says it must be followed by all advertisers, agencies and media.
Tracking tags, cookies and direct marketing bring PECR and ICO guidance into scope, with that guidance under review after the Data (Use and Access) Act 2025 became law on 19 June 2025.
IAB UK says the UK digital ad market reached £40.5 billion in 2025, up 10% year-on-year.
What else do LinkedIn Ads users run?
Share of the 81 LinkedIn Ads-running UK companies where each technology was also detected. As of June 2026.
Who runs LinkedIn Ads in the UK?
By sector
Sectors overlap, so shares need not sum to 100%.
By financial health
From filed accounts; firms with fewer than two filings show as insufficient history.
5
Median headcount
£759.1K
Median UK turnover
3.7%
Above £5M turnover
3
Incorporated since 2022
Verified directors — included in the file
Director names and roles for these 151 companies, alongside financials and websites, in one Excel + CSV file.
How LinkedIn Ads usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
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Frequently asked questions
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